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Finding the Fourth Proportional to 22,793,253.76, 31,454,684.04 and 12,479,973.76

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Solution

The fourth proportional to 22,793,253.76, 31,454,684.04 and 12,479,973.76 is: 17,222,360.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,793,253.76 : 31,454,684.04 = 12,479,973.76 : x
  2. Step 2: Convert to fraction form
    22,793,253.76/31,454,684.04 = 12,479,973.76/x
  3. Step 3: Cross multiply
    22,793,253.76x = 31,454,684.04 × 12,479,973.76
  4. Step 4: Simplify right side
    22,793,253.76x = 392,553,631,448,290.75
  5. Step 5: Solve for x
    x = 392,553,631,448,290.75/22,793,253.76
  6. Step 6: Final answer
    x = 17,222,360.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.